133 = /dev/exttrp External device trap
134 = /dev/apm_bios Advanced Power Management BIOS
135 = /dev/rtc Real Time Clock
+ 137 = /dev/vhci Bluetooth virtual HCI driver
139 = /dev/openprom SPARC OpenBoot PROM
140 = /dev/relay8 Berkshire Products Octal relay card
141 = /dev/relay16 Berkshire Products ISO-16 relay card